– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 56mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 5°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the SSW by Sat night). | Days 5–7 Weather SummaryModerate rain (total 17mm), heaviest on Tue morning. Very mild (max 16°C on Wed morning, min 3°C on Sun night). Wind will be generally light. | ||||||||||||||||
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | |  | |  | |  | |  | |
some clouds | rain shwrs | light rain | mod. rain | mod. rain | light rain | light rain | heavy rain | rain shwrs | rain shwrs | some clouds | some clouds | clear | rain shwrs | heavy rain | light rain | light rain | |
Cloud base (m) | 2800 | 2600 | 600 | 700 | 600 | 850 | 650 | 550 | 600 | 750 | 6550 | 6550 | 2800 | 1550 | 600 | 650 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 4 | 1.2 | 8 | 6 | 2 | 0.1 | 24 | 10 | 0.7 | — | — | — | 0.9 | 12 | 1.8 | 1.5 |
max °C | 9 | 8 | 8 | 9 | 10 | 12 | 13 | 8 | 6 | 5 | 3 | 9 | 8 | 8 | 8 | 9 | 12 |
min °C | 7 | 5 | 6 | 8 | 9 | 11 | 13 | 7 | 6 | 4 | 3 | 7 | 6 | 6 | 7 | 9 | 10 |
chill °C | 5 | 2 | 3 | 6 | 9 | 10 | 11 | 3 | 3 | 4 | 3 | 6 | 5 | 4 | 5 | 8 | 8 |
Freezing level m | 1750 | 2250 | 2350 | 2700 | 2150 | 2850 | 2650 | 1550 | 1400 | 1250 | 1250 | 2100 | 2200 | 2300 | 2300 | 2450 | 2900 |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 56mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 5°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the SSW by Sat night).
South Twin Sister Weather (Days 3-6):
Moderate rain (total 17mm), heaviest on Tue morning. Very mild (max 16°C on Wed morning, min 3°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.